Inking Apparatus TRIZ Cases

An inkjet printer uses a laminated piezoelectric actuator with extra electrodes to stabilize ink discharge, preventing characteristic drift over time.

Periodic ink circulation after lowering the water level maintains ejection port wetness while eliminating continuous piezoelectric element power consumption.

A lead-free piezoelectric material stabilizes its crystal structure through specific Mn, Li, and Bi doping levels to maintain high performance.

A scanning unit uses an anamorphic lens to shape laser beams for photosensitive drums.

Actuator circulates ink via distinct driving signals, eliminating external control mechanisms and reducing device size.

A three-part jetting waveform controls silver nanoparticle ink ejection from picoliter nozzles, preventing aggregation and enabling fine line printing.

Thixotropic ink adjusts viscosity via shear rate to prevent color bleeding on non-absorbent substrates while maintaining reliable ejection performance.

Pivotable print head assemblies with biasing members maintain uniform pressure, eliminating skew and faint printing during edge-justified operations.

Uniform restrictor passages and offset membrane windows prevent ink intrusion into electrical leads, reducing corrosion and extending chip lifetime.

A dual-channel ink manifold supplies uniform ink flow to every print head module, eliminating diminishing pressure drops across the array.

Relocating the bypass flow path to a separate substrate layer reduces the nozzle surface area while managing ink stagnation and air bubble retention.

A liquid ejection head incorporates a bypass path connecting supply and return manifolds to enable fluid communication across the filter.

Optical scan apparatus with polygon mirror deflection surfaces featuring profile element widths smaller than light beam spacing.

Shifted dual nozzle rows overlap ink dots to correct conveyance errors and maintain image quality.

Self-aligning features guide the print module into correct position on the pull-out system, reducing mechanical faults and cost.

Segmented channels in a liquid reservoir separate air from liquid, preventing trapped bubbles that cause printing errors.

Manifold channels disperse liquid components to prevent pigment settling and concentration differences along the flow direction.

A liquid discharge head uses a tilted nozzle array to stagger firing timing.

A liquid discharge head adjusts flow path resistance per unit length to stabilize refill time and enable uniform droplet discharge.

Lift mechanisms raise staggered printheads to enable maintenance without breaking the media web, minimizing downtime.

A liquid dispenser uses a diverter member to selectively eject drops through an outlet opening positioned opposite the supply channel.

Shared actuator inkjet heads use phase-specific micro-vibration pulses to reduce landing deviations caused by adjacent nozzle interference.

Segmented filters with varying pore sizes capture contaminants before they reach the vibration plate, preventing ink supply blockages and ejection failures.

Keyed protrusions on the die bracket engage guiding channels to fix relative position, preventing obliquity during assembly.

Symmetric screen printing sections with intermediate substrate conveyance enable flexible transport paths for mixed-flow production.

A flexible film regulates liquid chamber pressure in an inkjet recording head to stabilize back pressure control.

Varying nozzle pitch within rows breaks symmetry to reduce shade unevenness and resonance risks.

Multiple backpressure chambers manage head pressures and reduce air intake, preventing stranded ink and uneven distribution in page-wide printing systems.

Divided airflow paths with restricted communicating ports maintain uniform air inflow velocity to suppress ink mist leakage and head contamination.

A liquid-ejecting head circulates ink through asymmetric narrow portions in the circulation channel to maintain ejection quality.

A stepped screw connection structure secures resin and metal components in ink-jet heads through mechanical deformation.

A recording head unit calculates and switches reference voltages to control ink ejection.

A droplet deposition head uses distinct electrode actuation on piezoelectric walls to eject single fluid drops with precision.

Segmented communication holes in a head chip maintain bonding area while resolving alignment tolerance issues between actuator and nozzle plates.

Alternating pneumatic action in a double diaphragm pump ensures smooth viscous fluid delivery while reducing cleaning water usage.

A liquid discharge head substrate uses a segmented conductive layer to release electric charges and prevent dielectric breakdown.

Splitting nozzles into groups and adjusting drop amounts based on adjacent nozzles resolves density nonuniformity at image ends and head joints.

A driving device generates pulse signals by selecting rising or falling edges of a clock signal to drive recording heads.

Varying the bending rigidity of a piezoelectric actuator along the pressure chamber prevents cracking while maintaining ink ejection performance.

Local quality design in a piezo-electric actuator suppresses crosstalk between adjacent nozzles by reducing deformation propagation.

A liquid ejecting head uses a cover member and sealing material to protect the wiring member connection from ink exposure.

An expandable wind-up spindle adjusts its outer diameter to prevent paper core collapse under tension and allows easy removal.

A liquid ejection head uses varying adhesion strength areas to mitigate stress propagation from support member deformation.

Dual thermistors measure drive circuit and liquid temperatures separately, resolving control precision issues caused by thermal differences between components.

A liquid ejecting apparatus uses asymmetric micro-vibration signals to agitate ink inside the pressure generation chamber.

Asymmetric nozzle layout minimizes spacing between adjacent columns to reduce streaks and improve droplet deposition accuracy.

Segmented s-shaped dies lower manufacturing costs by maintaining standard slot pitches, avoiding alignment precision issues and bond pad contamination.

Potassium sodium niobate piezoelectric element adjusts crystal phase transition temperature to stabilize characteristics under compressive stress.

A movable support member transitions between coupled and decoupled positions to allow tool-free cutter removal, reducing component count and maintenance time.

Tilting print heads deposits parallel conducting lines with precise spacing, reducing light blocking while maintaining electrical conductivity.